McMaster-Carr logo
    Filter by
    System of Measurement
    Thread Direction
    Industrial Info Compare
    Component
    Thread Type
    Diameter
    Attribute Image
    Thread Fit
    Industrial Info Snippet
    Attribute Image
    Number of Thread Starts
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Speed Ratio
    Travel Distance per Turn
    DFARS Specialty Metals
    Industrial Info Compare
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Fastener Strength Grade/Class
    Industrial Info Snippet
    Specifications Met
    Flange Hardness
    Flange Diameter
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    12 Products

    Acme Lead Screws and Nuts

    Image of ProductInUse. Front orientation. Contains Inset. Lead Screws and Nuts. Acme Lead Screws and Nuts.
    Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction, thread size, and number of thread starts.
    Coupling Nuts—Right-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Coupling Nuts—Right-Hand Thread.
    Coupling nuts connect two lead screws.
    Carbon Steel—Carbon steel components are easier to machine than alloy steel components.
    18-8 Stainless Steel—18-8 stainless steel components have good corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Each
    Carbon Steel
    1 1/8"-5
    Acme
    3"1 1/2"11:10.2"Acme Class 2G
    Rockwell B75Not Rated93023A668000000
     
    18-8 Stainless Steel
    1 1/8"-5
    Acme
    3"1 1/2"11:10.2"Acme Class 2G
    Not RatedNot Rated93030A122000000
     
    Coupling Nuts—Left-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Coupling Nuts—Left-Hand Thread.
    Coupling nuts connect two lead screws.
    Carbon Steel—Carbon steel components are easier to machine than alloy steel components.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Each
    Carbon Steel
    1 1/8"-5
    Acme
    3"1 1/2"11:10.2"Acme Class 2G
    Rockwell B75Not Rated93026A656000000
     
    Flange Nuts—Right-Hand Thread
    Image of Product. Top orientation. Contains Annotated. Lead Screws and Nuts. Acme Lead Screws and Nuts, Flange Nuts—Right-Hand Thread.
    Flange nuts move objects along the length of a lead screw. Flange nuts have a wide machinable flange for custom mounting.
    932 Bearing Bronze—932 bearing bronze components are more wear resistant than brass components. They have good machinability and fair corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Flange
    Thread
    Size
    Thread
    Type
    Ht.
    Dia.
    Dia.
    Thk.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Each
    932 Bearing Bronze
    1 1/8"-5
    Acme
    2 1/4"1 3/4"2 3/4"5/8"11:10.2"Acme Class 2G
    Not RatedNot Rated95120A1670000000
     
    Flange Nuts—Left-Hand Thread
    Image of Product. Top orientation. Contains Annotated. Lead Screws and Nuts. Acme Lead Screws and Nuts, Flange Nuts—Left-Hand Thread.
    Flange nuts move objects along the length of a lead screw. Flange nuts have a wide machinable flange for custom mounting.
    932 Bearing Bronze—932 bearing bronze components are more wear resistant than brass components. They have good machinability and fair corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Flange
    Thread
    Size
    Thread
    Type
    Ht.
    Dia.
    Dia.
    Thk.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Each
    932 Bearing Bronze
    1 1/8"-5
    Acme
    2 1/4"1 3/4"2 3/4"5/8"11:10.2"Acme Class 2G
    Not RatedNot Rated95120A5670000000
     
    Hex Nuts—Right-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Hex Nuts—Right-Hand Thread.
    Hex nuts fasten and position lead screw components.
    Carbon Steel—Carbon steel components are easier to machine than alloy steel components.
    Zinc-Plated Carbon Steel—Zinc-plated carbon steel components have mild corrosion resistance and are easier to machine than alloy steel components.
    360 Brass—360 brass components have excellent machinability and good corrosion resistance.
    18-8 Stainless Steel—18-8 stainless steel components have good corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Specs.
    Met
    Each
    Carbon Steel
    1 1/8"-5
    Acme
    1 7/64"1 13/16"11:10.2"Acme Class 2G
    Rockwell B75Not Rated94815A119000000
     
    Zinc-Plated Carbon Steel
    1 1/8"-5
    Acme
    1 7/64"1 13/16"11:10.2"Acme Class 2G
    Rockwell B75Not Rated98948A12500000
     
    360 Brass
    1 1/8"-5
    Acme
    1 1/8"1 3/4"11:10.2"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A15900000
     
    18-8 Stainless Steel
    1 1/8"-5
    Acme
    1 7/64"1 3/4"11:10.2"Acme Class 2G
    Not RatedNot Rated95066A22000000
     
    Hex Nuts—Left-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Hex Nuts—Left-Hand Thread.
    Hex nuts fasten and position lead screw components.
    Carbon Steel—Carbon steel components are easier to machine than alloy steel components.
    360 Brass—360 brass components have excellent machinability and good corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Fastener Strength
    Grade/Class
    Hardness
    Tensile Strength,
    psi
    Specs.
    Met
    Each
    Carbon Steel
    1 1/8"-5
    Acme
    1 7/64"1 13/16"11:10.2"Acme Class 2G
    SAE Grade 2
    Rockwell B8564,00091808A119000000
     
    360 Brass
    1 1/8"-5
    Acme
    1 1/8"1 3/4"11:10.2"Acme Class 2G
    Rockwell B75Not RatedASTM B1695155A35900000
     
    Square Nuts—Right-Hand Thread
    Image of Product. Front orientation. Lead Screws and Nuts. Acme Lead Screws and Nuts, Square Nuts—Right-Hand Thread.
    Square nuts fasten and position lead screw components. Square nuts have large sides, which make them easier to grip with a wrench than hex nuts and keep them from rotating in channels and square holes.
    360 Brass—360 brass components have excellent machinability and good corrosion resistance.
    Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
    Thread
    Size
    Thread
    Type
    Ht.
    Wd.
    No. of Thread
    Starts
    Speed
    Ratio
    Travel Distance
    per Turn
    Thread Fit
    Hardness
    Tensile
    Strength
    Specs.
    Met
    Each
    360 Brass
    1 1/8"-5
    Acme
    1 1/8"1 3/4"11:10.2"Acme Class 2G
    Rockwell B55Not RatedASTM B1695270A159000000
     
    back to top